here are some links which you may find useful, in terms of finding funding,
how to make the most of having a writer in your establishment
and ways of working with creatives:

National Association of Writers in Education
database of writers and advice on many aspects of writers working with education

Book Trust
good information on what a writer charges, and how to make the most of their time in your establishment

Arts Council of England
guidance on writers fees etc.

Poetry Society
What's happening in the world of poetry, lesson plans, advice and more